GC0000391A - Process for the preparation of urea - Google Patents
Process for the preparation of ureaInfo
- Publication number
- GC0000391A GC0000391A GCP20021974A GC0000391A GC 0000391 A GC0000391 A GC 0000391A GC P20021974 A GCP20021974 A GC P20021974A GC 0000391 A GC0000391 A GC 0000391A
- Authority
- GC
- Cooperation Council for the Arab states of the Gulf
- Prior art keywords
- urea
- preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1017990A NL1017990C2 (en) | 2001-05-03 | 2001-05-03 | Process for the preparation of urea. |
Publications (1)
Publication Number | Publication Date |
---|---|
GC0000391A true GC0000391A (en) | 2007-03-31 |
Family
ID=19773343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GCP20021974 GC0000391A (en) | 2001-05-03 | 2002-04-30 | Process for the preparation of urea |
Country Status (11)
Country | Link |
---|---|
US (1) | US6852886B2 (en) |
CN (1) | CN1260208C (en) |
AU (1) | AU2002303036B2 (en) |
CA (1) | CA2445589C (en) |
EG (1) | EG22992A (en) |
GC (1) | GC0000391A (en) |
MX (1) | MXPA03010020A (en) |
MY (1) | MY124851A (en) |
NL (1) | NL1017990C2 (en) |
RU (1) | RU2254331C1 (en) |
WO (1) | WO2002090323A1 (en) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1375475A1 (en) * | 2002-06-28 | 2004-01-02 | Urea Casale S.A. | Plant for urea production |
NL1023303C2 (en) * | 2003-04-29 | 2004-11-01 | Dsm Nv | Process for the preparation of an aqueous solution containing urea and formaldehyde. |
NL1026607C2 (en) * | 2004-07-07 | 2006-01-10 | Dsm Ip Assets Bv | Process for the preparation of urea. |
NL1027697C2 (en) * | 2004-12-09 | 2006-06-12 | Dsm Ip Assets Bv | Method for increasing the capacity of an existing urea process. |
NL1028497C2 (en) * | 2005-03-09 | 2006-09-12 | Dsm Ip Assets Bv | Process for the preparation of a urea-containing aqueous stream. |
EP1719755A1 (en) * | 2005-05-04 | 2006-11-08 | Urea Casale S.A. | Process for urea production and related plant |
AU2006244735B2 (en) * | 2005-05-13 | 2012-02-16 | Stamicarbon B.V. | Method for concentrating an aqueous ammonium carbamate stream |
EP1918273A1 (en) † | 2006-11-04 | 2008-05-07 | Urea Casale S.A. | Process for urea production and related plant |
EP1918274A1 (en) | 2006-11-04 | 2008-05-07 | Urea Casale S.A. | Integrated process for urea and melamine production |
EP2107051A1 (en) * | 2008-04-02 | 2009-10-07 | DSM IP Assets B.V. | Process for inreasing the capacity of an existing urea plant |
MX364219B (en) * | 2012-05-03 | 2019-04-16 | Stamicarbon | Method and apparatus for the production of urea from ammonia and carbon dioxide. |
GB201208312D0 (en) * | 2012-05-11 | 2012-06-27 | Afc Energy Plc | Fuel cell system |
DE102013113980A1 (en) * | 2013-12-12 | 2015-06-18 | Thyssenkrupp Ag | Process for the production of ammonia gas and CO2 for a urea synthesis |
EP3436430B1 (en) | 2016-03-30 | 2020-09-16 | Stamicarbon B.V. | Urea production with bi-pressurized synthesis |
EP3452212B1 (en) | 2016-05-03 | 2020-02-12 | Stamicarbon B.V. | Urea production with controlled biuret |
PL3452444T3 (en) | 2016-05-03 | 2020-12-14 | Stamicarbon B.V. | Controlling biuret in urea production |
HRP20220027T1 (en) | 2017-10-27 | 2022-04-01 | Stamicarbon B.V. | High pressure carbamate condenser |
AU2021296691B2 (en) * | 2020-06-23 | 2023-09-14 | Stamicarbon B.V. | Thermal stripping urea plant and process |
US12060313B2 (en) | 2021-02-22 | 2024-08-13 | Stamicarbon B.V. | Urea production process and plant with parallel MP units |
WO2023158303A1 (en) | 2022-02-15 | 2023-08-24 | Stamicarbon B.V. | Stripping-type urea plant for def production |
US20240270684A1 (en) | 2022-07-07 | 2024-08-15 | Stamicarbon B.V. | Production of urea and melamine |
US20240262789A1 (en) | 2022-11-22 | 2024-08-08 | Stamicarbon B.V. | Multiproduct low biuret urea production |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8900152A (en) * | 1989-01-23 | 1990-08-16 | Stamicarbon | Method for preparing urea |
NL1004977C2 (en) * | 1997-01-13 | 1998-07-15 | Dsm Nv | Method to increase the capacity of an existing urea process. |
-
2001
- 2001-05-03 NL NL1017990A patent/NL1017990C2/en not_active IP Right Cessation
-
2002
- 2002-04-24 MX MXPA03010020A patent/MXPA03010020A/en active IP Right Grant
- 2002-04-24 RU RU2003134953/04A patent/RU2254331C1/en not_active IP Right Cessation
- 2002-04-24 US US10/474,734 patent/US6852886B2/en not_active Expired - Lifetime
- 2002-04-24 CN CNB028090241A patent/CN1260208C/en not_active Expired - Lifetime
- 2002-04-24 AU AU2002303036A patent/AU2002303036B2/en not_active Ceased
- 2002-04-24 CA CA2445589A patent/CA2445589C/en not_active Expired - Fee Related
- 2002-04-24 WO PCT/NL2002/000263 patent/WO2002090323A1/en not_active Application Discontinuation
- 2002-04-30 GC GCP20021974 patent/GC0000391A/en active
- 2002-05-02 MY MYPI20021603A patent/MY124851A/en unknown
- 2002-05-04 EG EG20020452A patent/EG22992A/en active
Also Published As
Publication number | Publication date |
---|---|
EG22992A (en) | 2003-12-31 |
MY124851A (en) | 2006-07-31 |
CN1505610A (en) | 2004-06-16 |
MXPA03010020A (en) | 2004-02-12 |
WO2002090323A1 (en) | 2002-11-14 |
AU2002303036B2 (en) | 2008-01-10 |
US20040116743A1 (en) | 2004-06-17 |
CA2445589C (en) | 2011-06-28 |
CN1260208C (en) | 2006-06-21 |
CA2445589A1 (en) | 2002-11-14 |
RU2003134953A (en) | 2005-05-27 |
NL1017990C2 (en) | 2002-11-05 |
RU2254331C1 (en) | 2005-06-20 |
US6852886B2 (en) | 2005-02-08 |
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